Texas Instruments BQ2022A Evaluation Module BQ2022AEVM-001 BQ2022AEVM-001 Datenbogen
Produktcode
BQ2022AEVM-001
1
FEATURES
DESCRIPTION
APPLICATIONS
1
DBZ P
bq2022A
ACKAGE
(TOP VIEW)
SDQ
VSS
VSS
2
3
ID ROM
(64 bits)
EPROM
MEMORY
(1024 bits)
EPROM
STATUS
(64 bits)
SDQ Communications
Controller and 8-Bit CRC
Generation Circuit
Internal
Bus
RAM
Buffer
(8 bytes)
SDQ
1
2
VSS
3
VSS
NC
SDQ
VSS
1
2
3
LP PACKAGE
(BOTTOM VIEW)
SLUS724C – SEPTEMBER 2006 – REVISED AUGUST 2007
www.ti.com
1K-BIT SERIAL EPROM WITH SDQ INTERFACE
2
•
1024 bits of One-Time Programmable (OTP)
The bq2022A is a 1K-bit serial EPROM containing a
EPROM For Storage Of User-Programmable
factory-programmed,
unique
48-bit
identification
Configuration Data
number, 8-bit CRC generation, and the 8-bit family
code (09h). A 64-bit status register controls write
code (09h). A 64-bit status register controls write
•
Factory-Programmed Unique 64-Bit
protection and page redirection.
Identification Number
The bq2022A SDQ™ interface requires only a single
•
Bus-Interface Architecture Allowing Multiple
connection and a ground return. The DATA pin is
bq2022As Attached to a Single Host
also the sole power source for the bq2022A. The bus
•
Single-Wire Interface to Reduce Circuit Board
architecture allows multiple SDQ devices to be
Routing
connected to a single host.
•
Synchronous Communication Reduces Host
The small surface-mount package options saves
Interrupt Overhead
printed-circuit-board space, while the low cost makes
•
15KV IEC 61000-4-2 ESD Compliance on Data
it
ideal
for
applications
such
as
battery
pack
Pin
configuration parameters, record maintenance, asset
tracking, product-revision status, and access-code
tracking, product-revision status, and access-code
•
No Standby Power Required
security.
•
Available in a 3-Pin SOT23 Package and
TO-92 Package
TO-92 Package
ORDERING INFORMATION
(1)
PACKAGED DEVICES
(3)
T
A
(2)
PART NUMBER
PACKAGE
STATUS
•
Security Encoding
bq2022ADBZR
SOT23-3
Production
•
Inventory Tracking
–20
°
C to 70
°
C
bq2022ALPR
TO-92
Production
•
Product-Revision Maintenance
(1) For the most current package and ordering information, see
•
Battery-Pack Identification
the Package Option Addendum at the end of this document, or
see the TI Web site at
see the TI Web site at
(2) Device specified to communicate at –40
°
C to 85
°
C
(3) The device is available only in tape and reel with a base
quantity of 3000 units for the bq2022ADBZR and 2000 units for
the bq2022ALPR.
quantity of 3000 units for the bq2022ADBZR and 2000 units for
the bq2022ALPR.
BLOCK DIAGRAM
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
SDQ is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2006–2007, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.